302 mmlength grip: 112mmlength in handlebar: 190mm22 mmwith springProduct descriptionThrottle tube Vespa, connect the throttle twistgrip with the throttle pulley in the headset. Vespas usually have a throttle tube rotating in a reamed to size part of the handlebar. Unless all components are regularly greased these components tend to wear, the throttle tube may even crack. keeps stock of spare parts for pretty much all traditional Vespa scooters. Conclusion: Important part, check and grease regularly. -Tipp: For a perfect repair best also order throttle cable kit Art-Nr. 94180291 and throttle pulley Serie Pro. OEM numbers (for comparisons):94370 – 6055 – 84468 (PIAGGIO)60544 (MOTOVESPA)